feat: refactor services and cogs

[Dysta]

Summary

Checklist

• [x] If code changes were made then they have been tested.
  • [x] I have updated the documentation to reflect the changes.
• [ ] This PR fixes an issue (#ID).
• [ ] This PR adds something new (e.g. new feature/methods).
• [x] This PR is a breaking change (e.g. methods or parameters removed/renamed)
• [ ] This PR is not a code change (e.g. documentation, README, ...)

[Villaquiranm]

Pas assez de tests

[Villaquiranm]

Ci passe pas

[Villaquiranm]

Ci passe toujours pas